Young age at first menstrual cycle linked to heightened diabetes risk in mid life
Starting menstrual cycles at a young age-before the age of 13-is linked to a heightened risk of developing type 2 diabetes in mid-life, finds US research published online in the open access journal BMJ Nutrition Prevention & Health.
And it also seems to be associated with an increased risk of having a stroke before the age of 65 in those with the disease, particularly those who started having periods before the age of 10 or younger, the findings indicate.
Diabetes and its complications are on the rise among young and middle aged US adults, while the age at which women start having periods is falling worldwide, note the researchers.
A total of 17,377 women aged between 20 and 65 were included in the study, all of whom specified the age at which they had had their first menstrual cycle. This was categorised as 10 or younger, 11, 12, 13, 14 and 15 and older. Of the total, 1773 (10%) reported a diagnosis of type 2 diabetes. And of these, 205 (11.5%) reported some type of cardiovascular disease.
Starting periods before the average age of 13 was associated with a heightened risk of type 2 diabetes, after accounting for a range of potentially influential factors, including age, race/ethnicity, education, motherhood, menopausal status and family history of diabetes, smoking, physical activity, alcohol consumption and weight (BMI). This ranged from 32% greater (10 or younger) through 14% greater (age 11) to 29% greater (age 12).
“Therefore, adiposity may also play a role in the observed association between early age at [first menstrual cycle] and stroke complications, as higher childhood adiposity is associated with earlier age at [menstruation] and with cardiometabolic diseases later in life,” they suggest.
Reference: Young age at first menstrual cycle linked to heightened diabetes risk in mid-life; BMJ Nutrition Prevention & Health, DOI:10.1136/bmjnph-2023-000632
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